Section 5: Checklists for Ballasting and Deballasting Dedicated Clean Ballast Tanks
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Specifications and Manuals - Dedicated Clean Ballast Tanks - Annex 2 - Standard Format For The Dedicated Clean Ballast Tank Operation Manual - Appendix 2 - Specimen Manual for a Tanker Operating with Dedicated Clean Ballast Tanks - Section 5: Checklists for Ballasting and Deballasting Dedicated Clean Ballast Tanks

Section 5: Checklists for Ballasting and Deballasting Dedicated Clean Ballast Tanks

5.1 Prior to arrival at the loading port

  .1 Have the pumps and piping designated for clean ballast operation been properly cleaned?

  .2 Have all valves on the slop tanks, cargo tanks and dedicated clean ballast tanks been closed?

  .3 Has a visual inspection of all clean ballast tanks and their contents been made for signs of contamination?

5.2 In the loading port

  .1 Has the oil content meter been calibrated?

  .2 Has sufficient water been left in No. 2 and No. 4 centre tanks on completion of ballast discharge?

  .3 Has the clean ballast piping been drained?

  .4 Have all valves on the dedicated clean ballast system been closed?

  .5 Is sufficient ullage in the slop tank available for the subsequent reception of cargo pump and pipe flushings?

5.3 After departure from the loading port

  .1 Have all cargo lines been stripped and drained?

  .2 Have the slop tanks and all cargo valves been closed?

5.4 Prior to arrival at the final discharge port

  .1 Have checks been made in the ballast tanks for hydrocarbon content?

5.5 In the final discharge port

  .1 Have all cargo lines been stripped and drained on completion of cargo discharge?

  .2 Have slop tanks and all cargo tank valves been closed?

  .3 Have the appropriate pumps and piping been flushed into the port slop tank?

  .4 Have No. 2 and No 4 centre tanks been ballasted on completion of flushing?

  .5 Have the ballast tanks been checked for hydrocarbon content prior to ballasting?

  .6 Have all the valves on the dedicated clean ballast system been closed?

5.6 After departure from the final discharge port

  .1 Have the slop tank contents been processed in accordance with load-on-top procedures?

  .2 Are regular inspections being made of the dedicated clean ballast tanks to ensure there is no contamination of the ballast water?


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